Question

a number series is givej with one term missing.choose the correct alternative that will continue the same pattern and fill in the blank 3 ,7,25,.....721
a)166
b)121
c)112
d)144​

Answer 1

Answer:

Step-by-step explanation:

7 × 1 - 1 = 6

6 × 2 - 2 = 10

10 × 3 - 3 = 27

27 × 4 - 4 = 104

So 104 × 5 - 5 = 515